Samurai Game Jam Devlog - One Last Swing #2 - Clue System - PICO-8

one_last_swing_clue_system.p8

-- red starts from high stance
-- for ex, let's say the start at a high stance
enemy.finalStance = HIGH_STANCE

local modifierCollection = {}
-- let's roll a few modifires, which are
-- showcased by the clue system for you
-- to figure out
for i=1,3 do
  -- roll a chance for it to even happen
  if rnd() > 0.5 then
    -- let's roll ups or downs
    if rnd() > 0.5 then
      -- moving stance upwards
      add(modifierCollection, 1)
    else
      -- moving stance downward
      add(modifierCollection, -1)
    end
  end
end

-- apply modifiers to stance
for mod in all(modifierCollection) do
  enemy.finalStance += mod
  -- wrap it around if needed in both directions
  if enemy.finalStance > HIGH_STANCE then enemy.finalStance = LOW_STANCE end
  if enemy.finalStance < LOW_STANCE then enemy.finalStance = HIGH_STANCE end

  -- spawn the clue based on value
  local randomClueType = rnd()
  -- birds < 33
  -- clouds < 66
  -- deer > 66
  local modifierType = mod < 0
  if randomClueType <= 0.33 then
    -- negative modifier means bird on left -> sword moving down
    add_bird_or_cloud(modifierType, true)
  elseif (0.33 < randomClueType) and (randomClueType <= 0.66) then
    -- negative modifier means cloud on left -> sword moving down
    add_bird_or_cloud(modifierType, false)
  else 
    -- negative modifier means male deer -> male deer -> sword moving down
    add_deer(modifierType)
  end
end

-- adders:
function add_bird_or_cloud(_leftOrRight,_bird_or_cloud)
	local object = {
		x = 0,
		y = rnd({0,1,2,3}),
		leftOrRight = _leftOrRight
	}
	-- if itis a bird
	if _bird_or_cloud then
		add(birdCollection, object)
	else
		object.sprite = rnd({119,120,121,122})
		add(cloudCollection, object)
	end
end

-- check the words for the deer genders (buck, doe)
function add_deer(_maleOrFemale)
	local deer = {
		x = rnd(30)+15,
		y = rnd(20)+15,
		maleOrFemale = _maleOrFemale
	}
	add(deerCollection, deer)
end

-- drawing the clues
function draw_clues()
	-- draw the birds
	local birdsOnLeft, birdsOnRight, cloudsOnLeft, cloudsOnRight = 0, 0, 0, 0
	for bird in all(birdCollection) do
		-- calc if we need offsets so birds on same side don't overlap
		local xPos = 0
		-- bird on right side is false with leftOrRight
		if bird.leftOrRight then 
			xPos +=  birdsOnLeft * 6
			birdsOnLeft += 1
		else
			xPos = 32 + birdsOnRight * 6 
			birdsOnRight += 1
		end
		-- draw the bird
		-- offset so the seem to be flapping wings
		local offset = time() % 2
		spr(126+offset, xPos, bird.y)
	end

	for cloud in all(cloudCollection) do
		-- calc if we need offsets so clouds on same side don't overlap
		local xPos = 0
		cloud.x += 0.1
		-- cloud on right side is false with leftOrRight
		if cloud.leftOrRight then 
			xPos +=  cloudsOnLeft * 6
			cloudsOnLeft += 1
		else
			xPos = 32 + cloudsOnRight * 6 
			cloudsOnRight += 1
		end
		-- draw the cloud
		spr(cloud.sprite, xPos + cloud.x, cloud.y)
	end

	for deer in all(deerCollection) do
		local sprite = 79
		if deer.maleOrFemale then sprite = 78 end
		spr(sprite, deer.x, deer.y)
	end
end

Made for: https://ko-fi.com/Post/Samurai-Game-Jam-1--Stances-Drawing-and-Combat-J3J3TOCOH